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SP522 数据表(PDF) 2 Page - Sipex Corporation

部件名 SP522
功能描述  Low-Cost Programmable Multi-Protocol Transceivers
PDF  23 Pages
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制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SP522 数据表(HTML) 2 Page - Sipex Corporation

  SP522 Datasheet HTML 1Page - Sipex Corporation SP522 Datasheet HTML 2Page - Sipex Corporation SP522 Datasheet HTML 3Page - Sipex Corporation SP522 Datasheet HTML 4Page - Sipex Corporation SP522 Datasheet HTML 5Page - Sipex Corporation SP522 Datasheet HTML 6Page - Sipex Corporation SP522 Datasheet HTML 7Page - Sipex Corporation SP522 Datasheet HTML 8Page - Sipex Corporation SP522 Datasheet HTML 9Page - Sipex Corporation Next Button
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2
Rev. 7/10/03
SP522 Multi–Mode Serial Transceivers
© Copyright 2003 Sipex Corporation
SPECIFICATIONS
Typical @ 25°C and nominal supply voltages unless otherwise noted.
MIN.
TYP.
MAX.
UNITS
CONDITIONS
LOGIC INPUTS
V
IL
0.8
Volts
V
IH
2.0
Volts
LOGIC OUTPUTS
V
OL
0.4
Volts
I
OUT = –3.2mA
V
OH
2.4
Volts
I
OUT =
1.0mA
RS422 DRIVER
TTL Input Levels
V
IL
0
0.8
Volts
V
IH
2.0
Volts
Outputs
Differential Output
+2.0
+5.0
Volts
R=50Ω; see Figure 1
Open Circuit Voltage,V
O
+6.0
Volts
Balance
+0.4
Volts
|V
T| – |VT|
Offset
+3.0
Volts
Short Circuit Current
+150
mA
V
out = 0V
Power Off Current
+100
µAV
cc = 0V, Vout = +0.25V
Transition Time
40
nS
Rise/fall time, 10%-90%
Max. Transmission Rate
10
Mbps
R
L=100Ω
Propagation Delay
T
A = +25°C
t
PHL
90
150
nS
R
DIFF=100Ω, Figures 3 & 5
t
PLH
90
150
nS
R
DIFF=100Ω, Figures 3 & 5
RS422 RECEIVER
TTL Output Levels
V
OL
0.4
Volts
V
OH
2.4
Volts
Input
High Threshold
+0.3
+6.0
Volts
(a)-(b)
Low Threshold
-6.0
-0.3
Volts
(a)-(b)
Common Mode Range
-7.0
+7.0
Volts
High Input Current
Refer to Rec. input graph
Low Input Current
Refer to Rec. input graph
Receiver Sensitivity
+0.3
Volts
V
CM = +7V to -7V
Input Impedance
4
kΩ
Max. Transmission Rate
10
Mbps
Propagation Delay
T
A = +25°C
t
PHL
110
175
nS
Figures 3 & 7
t
PLH
110
175
nS
Figures 3 & 7
RS485 DRIVER
TTL Input Levels
V
IL
0.8
Volts
V
IH
2.0
Volts
Outputs
Differential Output
+1.5
+5.0
Volts
R=27Ω; C
L=50pF; see Fig. 1
Open Circuit Voltage,V
O
+6.0
Volts
Balance
+0.2
Volts
|V
T| – |VT|
Output Current
28.0
mA
R
L=54Ω
Short Circuit Current
+200
mA
V
out = –7V to +7V
Transition Time
40
nS
Rise/fall time, 10%-90%
Max. Transmission Rate
10
Mbps
R
L=54Ω
Propagation Delay
Figures 3 & 5; T
A = +25°C
t
PHL
100
150
nS
R
DIFF=54Ω, CRL = 50pF
t
PLH
100
150
nS
R
DIFF=54Ω, CRL = 50pF



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